Related Clues:
- Bit of 30-Down life
- Pot growth from overwatering
- Bit of fish tank growth
- Aquatic life in Portuguese region avoiding river valley primarily
- Swimming pool gunk
- Tiny lake organism
- Seaweeds and similar plants
- Pond scum source
- Fish-tank buildup
- Aquarium scuzz
- Snapper's snack
- Seaweed component
- Fragment of pond scum
- Bit of sea flora
- Little living things Georgia found in beer